> ## Documentation Index
> Fetch the complete documentation index at: https://docs.honeycomb.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Common Issues when Investigating

> Troubleshoot common problems with Honeycomb's investigation tools, including trace views, BubbleUp, Correlations, and Canvas not behaving as expected.

If you need to troubleshoot tools used to investigate your data in Honeycomb, explore these solutions to common issues.

<Tip>
  To ask questions and learn more, visit our [Support Knowledge Base](https://support.honeycomb.io/) or [join our Pollinators Community](/troubleshoot/community/).
</Tip>

## BubbleUp

Troubleshoot issues related to [BubbleUp](/investigate/analyze/identify-outliers/).

### Your data is not ordered, grouped, or limited as you expect

BubbleUp ignores the `GROUP BY`, `ORDER BY`, and `LIMIT` clauses in Query Builder.

### Your field is represented as a measure

Fields stored as numbers, like `user_id`, are represented as measures when they are dimensions.
In **Dataset Settings** > **[Schema](/reference/honeycomb-ui/manage-data/datasets/dataset-settings/)**, expand **Unique Fields** and adjust the field's data type to `string`.

### Your Calculated Field is represented as a dimension

[Calculated Fields](/configure/environments/calculated-fields/) that extract a numeric value from text are represented as dimensions rather than measures.
Use the `FLOAT()` function to coerce the regular expression in a Calculated Field, like `REG_VALUE('$field', '*([0-9]+).*')`, to a float.

### Your field value displays "(no value)"

A field's value displays `(no value)` when the field is not populated in the data.

Make sure the field is populated in the data you sent to Honeycomb.

### Your field value displays "(empty)"

Most commonly, a field's value displays `(empty)` in `string` typed columns when a string is empty.

## Searching Query Results

Troubleshoot issues related to the [Explore Data query results search](/reference/honeycomb-ui/query/query-results/#search-within-results).

### When you search query results, field names that don't match a search term are highlighted

When you submit a search in the **Explore Data** view, Honeycomb searches each field, which consists of a name-value pair, for your search term.
When a field value matches your search term, the field name will be highlighted, even if the field name does not match your search term.
To learn more about the **Explore Data** search feature, visit our [UI Reference](/reference/honeycomb-ui/query/query-results/#search-within-results).